Aichi SR12CSMJ SERVICE MANUAL SSJ00068 – PDF DOWNLOAD
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Aichi SR12CSMJ SERVICE MANUAL SSJ00068 – PDF DOWNLOAD
This manual describes correct adjustment and servicing procedures for Boom
type self- propelled Elevation work platform: SR12CSM in order to ensure safe
and reliable operation, the most effective use of superb performance and
excellent features for your satisfaction.
Qualified personnel should read this manual carefully and understand the
descriptions correctly before making any repair or maintenance works.
Always be sure of the following items when conducting repair or maintenance
works.
Use only the spare parts approved by the manufacturer, particularly for load supporting
components (Structural components including chassis, turntable,
boom section and platform) and safety related components (Scheduled
replacement parts listed in the page 7-10).
Use proper tools, lifting equipment and suitable workshop.
It is strictly forbidden to make modifications to the machine without obtaining
AICHI’s written approval.
Constant improvement of its products is
Constant improvement of its products is AICHI’s policy.
Therefore, specifications of the machine are subject to change without prior
notice.
TABLE OF CONTENTS:
Aichi SR12CSMJ SERVICE MANUAL SSJ00068 – PDF DOWNLOAD
Chapter A
Introduction a
Location of Serial number plate b
Safety warnings c
Chapter 1 General Information
Specifications 1 2
Overall dimensions 1 3
Work range diagram 1 4
Safety devices 1 5
1. List of Safety devices 1 5
2. Travel speed limit system 1 7
3. Travel function limit system 1 8
Chapter 2 Mechanical Components
Chassis 2 2
Turntable 2 4
Hydraulic pump installation 2 5
Turntable bearing 2 6
Boom rotation gearbox 2 8
Boom 2 9
1. Structure 2 9
2. Inspection procedures 2 10
3. Extension / Retraction wire rope 2 12
4. Adjustment of Extension / Retraction wire rope 2 13
5. Boom sectional drawings 2 15
Platform 2 17
Chapter 3 Hydraulic Components
Locations of Hydraulic components 3 2
Hydraulic oil tank 3 3
Suction filter 3 4
High pressure filter 3 5
Adaptor filter 3 6
Hydraulic pump 3 7
Emergency pump 3 8
Swivel joint 3 9
Travel motor 3 10
Index
SSJ00068 i i
Boom rotation motor 3 11
Rotary actuator 3 12
Boom elevation cylinder 3 13
Boom telescope cylinder 3 15
Platform leveling cylinder, Upper 3 17
Platform leveling cylinder, Lower 3 18
Main control valve 3 19
Left travel control valve 3 23
Unloading solenoid valve 3 27
Single holding valve (for Boom elevation cylinder) 3 28
Valve unit for Platform rotation 3 29
Check valve 3 30
Platform leveling solenoid valve, Pilot check valve
Throttle check valve, Relief valve 3 31
Hydraulic generator solenoid valve 3 32
Oil cooler 3 33
Chapter 4 Electric components
Locations of Electric components 4 2
Upper control box 4 4
CPU board “M6” (Sub1, Sub2) 4 8
LED board 4 11
Joystick controller 4 12
Lower control box 4 14
CPU board “M5 C” 4 18
CPU board “M6” (Sub4) 4 22
Key switch 4 24
Toggle switches and buttons 4 25
Latching relay 4 27
Relay CR 10 4 27
Relay 4 28
Engine relay box 4 29
Tilt sensor (Longitudinal, Lateral) 4 30
Fuel level sensor 4 31
Touch switch 4 32
Overload sensing system 4 33
Boom angle limit switches 4 37
Boom full retraction limit switches 4 38
Boom wire rope failure limit switches 4 39
Limit switch 4 40
Index
iii SSJ00068
Chapter 5 Troubleshooting
Troubleshooting by LED indication
on Upper / Lower control box 5 2
Emergency operations 5 10
Emergency pump 5 10
Override switch 5 11
Manual control lever 5 13
Chapter 6 Inspection and Adjustment
Relief valve pre set pressures measurement
and adjustment procedures 6 2
Function speed measurement procedures 6 5
Inspection data sheet 6 6
Chapter 7 Scheduled Maintenance
Daily inspection procedures 7 2
Periodical inspection table 7 4
Daily inspection sheet 7 6
Periodical inspection check sheet 7 7
Lubrications 7 9
Scheduled replacement parts 7 10
Chapter 8 Appendix
Hydraulic circuit diagram 8 3
Electric circuit diagram, Upper 8 4
Electric circuit diagram, Lower 8 5
Electric wiring diagram, Upper 8 8
Electric wiring diagram, Lower 8 9
Electric wiring diagram, Engine 8 10
Water proof connector 8 11
Pin arrangement of Water proof connector 8 12
Color code of Wires 8 13
Tightening torque standard 8 14
SSJ00068 1 1
Chapter 1 General Information
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- This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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